Spektrum SPM4650 User Guide

Pages 8

Year 2019

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Spektrum SPM4650 Receiver Specification

The Spektrum SPM4650 Receiver is a sophisticated, compact, and lightweight radio receiver designed to deliver high-performance connectivity for a variety of RC applications. It supports DSM2 and DSMX modulation protocols, ensuring compatibility with a wide range of Spektrum transmitters. Featuring the innovative SRXL2 protocol, the SPM4650 provides enhanced telemetry capabilities and quicker response times, making it ideal for competitive environments.

The receiver operates within the 2.4GHz frequency band, offering reliable communication with minimal interference. It supports a wide input voltage range from 3.5V to 8.4V, allowing for flexibility in power supply options, including direct connection to a LiPo battery. The SPM4650 is designed with a diversity antenna system, which enhances signal reception and reduces risk of signal loss during flight or vehicle operation.

Measuring only 18.6 x 13.6 x 7.1 mm and weighing a mere 1.4 grams, the SPM4650 is exceptionally compact, making it suitable for small and lightweight models where space and weight are critical considerations. The receiver features a bind button for easy binding process and a micro connector for streamlined installation and integration into various setups.

The SPM4650 supports up to 20 channels, depending on the transmitter capabilities, ensuring ample control for complex models. Its firmware is updatable via the Spektrum USB Programmer, allowing for enhancements and new features as they become available. With robust safety features, including failsafe settings, the SPM4650 ensures dependable performance and peace of mind for users. This receiver is ideal for hobbyists and professionals seeking a reliable and high-performance solution for their remote control applications.

Spektrum SPM4650 Receiver F.A.Q.

How do I bind the Spektrum SPM4650 Receiver to my transmitter?

To bind the Spektrum SPM4650 Receiver, power on the receiver and press the bind button until the LED starts flashing. Then, put your transmitter into bind mode. Once the LED on the receiver turns solid, the binding process is complete.

What should I do if my Spektrum SPM4650 Receiver is not connecting to my transmitter?

Ensure that the receiver and transmitter are both in bind mode and within range. Check for any firmware updates and make sure both devices are compatible. If issues persist, try rebinding them.

How can I update the firmware on the Spektrum SPM4650 Receiver?

Use the Spektrum PC Programmer or compatible transmitter to update the firmware. Connect the receiver to the programmer, then download and install the latest firmware from the Spektrum website.

What is the range of the Spektrum SPM4650 Receiver?

The Spektrum SPM4650 Receiver typically has a range of several hundred meters, depending on the environment and transmitter used. Always perform a range test before flying.

How do I perform a range test on the Spektrum SPM4650 Receiver?

Activate the range test mode on your transmitter and walk away from the model while checking control response. The receiver's LED should remain solid throughout the test.

Can I use the Spektrum SPM4650 Receiver with any transmitter?

The Spektrum SPM4650 Receiver is compatible with DSM2 and DSMX protocol transmitters. Ensure your transmitter supports these protocols for compatibility.

What should I check if the Spektrum SPM4650 Receiver loses signal intermittently?

Inspect the antenna for damage, ensure it's positioned correctly, and check for sources of interference. Rebinding the receiver and transmitter may also help resolve the issue.

How do I mount the Spektrum SPM4650 Receiver in my model aircraft?

Mount the receiver securely using double-sided tape or Velcro, ensuring the antennas are positioned at a 90-degree angle from each other for optimal signal reception.

What is the correct way to power the Spektrum SPM4650 Receiver?

The SPM4650 Receiver can be powered through a compatible flight controller or an ESC with a BEC, providing a stable 5V power supply.

How do I troubleshoot a Spektrum SPM4650 Receiver that won't power on?

Check the power connections and ensure the power source is functional. Inspect the wiring for any damage or loose connections. If the issue persists, test the receiver with a different power source.